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Abstract ▼ AI-Helper

Callus tissues derived from protoplast of Alnus hirsuta were shown to produce red pigments under the continuous light. The R4 cell line with high yield of the pigments was selected. One of the red pigments was identified as anthocyanin; glucose and galactose as sugar moiety and cyandin as aglycone, ...

Callus tissues derived from protoplast of Alnus hirsuta were shown to produce red pigments under the continuous light. The R4 cell line with high yield of the pigments was selected. One of the red pigments was identified as anthocyanin; glucose and galactose as sugar moiety and cyandin as aglycone, by spectroscopic analysis, cellulose TLC and GLC. Both callus growth and anthocyanin accumulation were remarkably stimulated by 2,4-D. The highest anthocyanin yield was observed when $1\;\mu\textrm{M}$ 2,4-D in combination with $0.1\;\mu\textrm{M}$ BAP was supplemented to the culture medium. In case of inorganic salts, anthocyanin yield was enhenced by reducing concentration of phosphate from 5.0 mM to 2.5 mM and by increasing the ratio of ${NO_3}^{-}$ type to 80% for total nitrogen source.source.

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